OHA Drinking Water Services
OR41
PWS ID: 05940 ---- HILAND WC - WILDERNESS
Lead & Copper

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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
12/18/2024  -  12/21/20241/29/2025 6 6 months 0.0011 0.479
7/3/2023  -  11/11/202311/27/2023 6 6 months 0 0.299 12/20/2023
6/16/2020  -  6/18/20207/15/2020 6 3 years 0.0020 0.297 6/26/2020
9/28/2017  10/10/2017 6 3 years 0 0.091 10/10/2017
7/7/2016  -  7/8/20168/10/2016 5 1 year 0 0.251
9/16/2015  -  9/18/201511/10/2015 5 1 year 0.0030 0.454
7/8/2014  8/8/2014 5 1 year 0 0
6/12/2013  7/10/2013 5 1 year 0.0050 0.445
8/24/2012  -  8/27/20129/6/2012 5 6 months 0.0020 0.302
6/9/2012  7/6/2012 5 6 months 0 0.385
9/26/2011  10/20/2011 5 6 months 0 0.365
8/27/2010  11/22/2010 5 6 months 0.0030 0.550


More information for this water system: SDWIS ID 3075
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